DE2908740C3 - Verfahren zur Herstellung von kugelförmigen Tonerdepartikeln - Google Patents

Verfahren zur Herstellung von kugelförmigen Tonerdepartikeln

Info

Publication number: DE2908740C3
Authority: DE; Germany
Prior art keywords: temperature; particles; ammonia; solution; hydrosol
Prior art date: 1978-03-06
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

DE2908740A

Other languages

German (de)

English (en)

Other versions

DE2908740B2 (de

DE2908740A1 (de

Inventor

Edward Hemet Calif. Michalko

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Honeywell UOP LLC

Original Assignee

UOP LLC

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1978-03-06

Filing date

1979-03-06

Publication date

1982-04-08

1979-03-06 Application filed by UOP LLC filed Critical UOP LLC

1979-09-13 Publication of DE2908740A1 publication Critical patent/DE2908740A1/de

1981-02-26 Publication of DE2908740B2 publication Critical patent/DE2908740B2/de

1982-04-08 Application granted granted Critical

1982-04-08 Publication of DE2908740C3 publication Critical patent/DE2908740C3/de

Status Expired legal-status Critical Current

Links

239000002245 particle Substances 0.000 title claims description 40
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims description 32
238000000034 method Methods 0.000 title claims description 27
238000004519 manufacturing process Methods 0.000 title claims description 5
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 66
229910021529 ammonia Inorganic materials 0.000 claims description 29
239000000017 hydrogel Substances 0.000 claims description 25
230000002378 acidificating effect Effects 0.000 claims description 12
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
239000002243 precursor Substances 0.000 claims description 9
239000000203 mixture Substances 0.000 claims description 6
238000001879 gelation Methods 0.000 claims description 4
239000000243 solution Substances 0.000 description 34
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 20
239000002253 acid Substances 0.000 description 18
239000003054 catalyst Substances 0.000 description 17
VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 16
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 15
239000000463 material Substances 0.000 description 15
VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical group C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 14
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 13
229910052782 aluminium Inorganic materials 0.000 description 13
239000012876 carrier material Substances 0.000 description 13
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 12
235000011114 ammonium hydroxide Nutrition 0.000 description 12
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 10
230000032683 aging Effects 0.000 description 10
150000001450 anions Chemical class 0.000 description 10
229910052718 tin Inorganic materials 0.000 description 10
238000005299 abrasion Methods 0.000 description 9
229930195733 hydrocarbon Natural products 0.000 description 8
150000002430 hydrocarbons Chemical class 0.000 description 8
235000010299 hexamethylene tetramine Nutrition 0.000 description 7
239000004312 hexamethylene tetramine Substances 0.000 description 7
229910052697 platinum Inorganic materials 0.000 description 7
239000000047 product Substances 0.000 description 7
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 6
235000019270 ammonium chloride Nutrition 0.000 description 6
238000006243 chemical reaction Methods 0.000 description 6
238000005470 impregnation Methods 0.000 description 6
229910052751 metal Inorganic materials 0.000 description 6
239000002184 metal Substances 0.000 description 6
229910052702 rhenium Inorganic materials 0.000 description 6
WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 6
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
-1 aluminum hydroxyl chloride Chemical compound 0.000 description 5
150000003863 ammonium salts Chemical class 0.000 description 5
229910017052 cobalt Inorganic materials 0.000 description 5
239000010941 cobalt Substances 0.000 description 5
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
229910052732 germanium Inorganic materials 0.000 description 5
GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 5
239000001257 hydrogen Substances 0.000 description 5
229910052739 hydrogen Inorganic materials 0.000 description 5
238000000465 moulding Methods 0.000 description 5
239000007864 aqueous solution Substances 0.000 description 4
238000009835 boiling Methods 0.000 description 4
239000003795 chemical substances by application Substances 0.000 description 4
238000010304 firing Methods 0.000 description 4
230000007062 hydrolysis Effects 0.000 description 4
238000006460 hydrolysis reaction Methods 0.000 description 4
238000006386 neutralization reaction Methods 0.000 description 4
230000003472 neutralizing effect Effects 0.000 description 4
239000011148 porous material Substances 0.000 description 4
150000003839 salts Chemical class 0.000 description 4
239000012798 spherical particle Substances 0.000 description 4
238000012360 testing method Methods 0.000 description 4
239000004215 Carbon black (E152) Substances 0.000 description 3
AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 3
239000000908 ammonium hydroxide Substances 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
239000008366 buffered solution Substances 0.000 description 3
239000007789 gas Substances 0.000 description 3
239000003502 gasoline Substances 0.000 description 3
238000010438 heat treatment Methods 0.000 description 3
238000005342 ion exchange Methods 0.000 description 3
239000007788 liquid Substances 0.000 description 3
239000003208 petroleum Substances 0.000 description 3
238000012545 processing Methods 0.000 description 3
238000002407 reforming Methods 0.000 description 3
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
FLNKWZNWHZDGRT-UHFFFAOYSA-N azane;dihydrochloride Chemical compound [NH4+].[NH4+].[Cl-].[Cl-] FLNKWZNWHZDGRT-UHFFFAOYSA-N 0.000 description 2
238000004517 catalytic hydrocracking Methods 0.000 description 2
239000007795 chemical reaction product Substances 0.000 description 2
239000003638 chemical reducing agent Substances 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
239000000470 constituent Substances 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000001704 evaporation Methods 0.000 description 2
238000006317 isomerization reaction Methods 0.000 description 2
230000003647 oxidation Effects 0.000 description 2
238000007254 oxidation reaction Methods 0.000 description 2
238000002360 preparation method Methods 0.000 description 2
238000007670 refining Methods 0.000 description 2
239000007858 starting material Substances 0.000 description 2
230000035882 stress Effects 0.000 description 2
239000000126 substance Substances 0.000 description 2
239000000725 suspension Substances 0.000 description 2
HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 2
238000005406 washing Methods 0.000 description 2
TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 1
WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical class N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
239000005642 Oleic acid Substances 0.000 description 1
KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
229910021626 Tin(II) chloride Inorganic materials 0.000 description 1
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
HDYRYUINDGQKMC-UHFFFAOYSA-M acetyloxyaluminum;dihydrate Chemical compound O.O.CC(=O)O[Al] HDYRYUINDGQKMC-UHFFFAOYSA-M 0.000 description 1
239000012670 alkaline solution Substances 0.000 description 1
229940009827 aluminum acetate Drugs 0.000 description 1
235000019257 ammonium acetate Nutrition 0.000 description 1
DVARTQFDIMZBAA-UHFFFAOYSA-O ammonium nitrate Chemical class [NH4+].[O-][N+]([O-])=O DVARTQFDIMZBAA-UHFFFAOYSA-O 0.000 description 1
BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical class N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
235000011130 ammonium sulphate Nutrition 0.000 description 1
239000012736 aqueous medium Substances 0.000 description 1
PYUSVKKFCFTJPT-UHFFFAOYSA-M azane chloroplatinum(1+) Chemical compound N.[Pt+]Cl PYUSVKKFCFTJPT-UHFFFAOYSA-M 0.000 description 1
239000002585 base Substances 0.000 description 1
239000000872 buffer Substances 0.000 description 1
239000004202 carbamide Substances 0.000 description 1
230000003197 catalytic effect Effects 0.000 description 1
239000004927 clay Substances 0.000 description 1
238000005336 cracking Methods 0.000 description 1
230000006378 damage Effects 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
239000008367 deionised water Substances 0.000 description 1
229910021641 deionized water Inorganic materials 0.000 description 1
238000011161 development Methods 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
238000007598 dipping method Methods 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
238000009826 distribution Methods 0.000 description 1
239000003814 drug Substances 0.000 description 1
229940079593 drug Drugs 0.000 description 1
238000001035 drying Methods 0.000 description 1
238000005868 electrolysis reaction Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
238000001125 extrusion Methods 0.000 description 1
239000010419 fine particle Substances 0.000 description 1
239000000499 gel Substances 0.000 description 1
239000003349 gelling agent Substances 0.000 description 1
230000005484 gravity Effects 0.000 description 1
239000008131 herbal destillate Substances 0.000 description 1
238000011065 in-situ storage Methods 0.000 description 1
229920000592 inorganic polymer Polymers 0.000 description 1
229910052741 iridium Inorganic materials 0.000 description 1
GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
239000003350 kerosene Substances 0.000 description 1
239000002609 medium Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
239000003758 nuclear fuel Substances 0.000 description 1
TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
229910052762 osmium Inorganic materials 0.000 description 1
SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
238000012856 packing Methods 0.000 description 1
229910052763 palladium Inorganic materials 0.000 description 1
PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
238000005192 partition Methods 0.000 description 1
239000008188 pellet Substances 0.000 description 1
238000005325 percolation Methods 0.000 description 1
CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 1
230000002028 premature Effects 0.000 description 1
239000000376 reactant Substances 0.000 description 1
239000011541 reaction mixture Substances 0.000 description 1
238000010992 reflux Methods 0.000 description 1
230000000284 resting effect Effects 0.000 description 1
229910052703 rhodium Inorganic materials 0.000 description 1
239000010948 rhodium Substances 0.000 description 1
MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
229910052707 ruthenium Inorganic materials 0.000 description 1
239000012266 salt solution Substances 0.000 description 1
230000035939 shock Effects 0.000 description 1
238000007873 sieving Methods 0.000 description 1
238000003980 solgel method Methods 0.000 description 1
239000001119 stannous chloride Substances 0.000 description 1
235000011150 stannous chloride Nutrition 0.000 description 1
230000004580 weight loss Effects 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0052—Preparation of gels
- B01J13/0056—Preparation of gels containing inorganic material and water
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/51—Spheres

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Inorganic Chemistry (AREA)
Dispersion Chemistry (AREA)
Catalysts (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Glanulating (AREA)
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

DE2908740A 1978-03-06 1979-03-06 Verfahren zur Herstellung von kugelförmigen Tonerdepartikeln Expired DE2908740C3 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US88429178A	1978-03-06	1978-03-06

Publications (3)

Publication Number	Publication Date
DE2908740A1 DE2908740A1 (de)	1979-09-13
DE2908740B2 DE2908740B2 (de)	1981-02-26
DE2908740C3 true DE2908740C3 (de)	1982-04-08

Family

ID=25384330

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE2908740A Expired DE2908740C3 (de)	1978-03-06	1979-03-06	Verfahren zur Herstellung von kugelförmigen Tonerdepartikeln

Country Status (5)

Country	Link
JP (1)	JPS54163798A (it)
DE (1)	DE2908740C3 (it)
FR (1)	FR2419106A1 (it)
GB (1)	GB2018230B (it)
IT (1)	IT1113441B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4216122A (en) *	1978-11-13	1980-08-05	Uop Inc.	Manufacture of high surface area spheroidal alumina particles having a high average bulk density
JPS57187409U (it) *	1981-05-23	1982-11-27
JPS5870203A (ja) *	1981-10-23	1983-04-26	Kokusai Denshin Denwa Co Ltd <Kdd>	光海底ケ−ブル用フアイバユニツト
FR2537889B1 (fr) *	1982-12-20	1992-10-09	Pro Catalyse	Procede de traitement d'hydrocarbures en presence d'un catalyseur a base de billes d'alumine mises en forme par coagulation en gouttes
JPS62136236A (ja) *	1985-12-10	1987-06-19	Shuzo Nakazono	噴霧乾燥による顆粒状物の製造方法
US5362696A (en) *	1991-03-11	1994-11-08	Research Association For The Utilization Of Light Oil	Process for producing spherical zeolite catalyst and apparatus for producing the same
RU2588960C2 (ru)	2011-03-18	2016-07-10	Орбит Элюминэ Инк.	Способы извлечения редкоземельных элементов из алюминийсодержащих материалов
US9410227B2 (en)	2011-05-04	2016-08-09	Orbite Technologies Inc.	Processes for recovering rare earth elements from various ores
WO2012162817A1 (en)	2011-06-03	2012-12-06	Orbite Aluminae Inc.	Methods for preparing hematite
BR112014006275A2 (pt)	2011-09-16	2017-04-11	Orbite Aluminae Inc	processos de preparação de alumina e de vários outros produtos
EP2802675B1 (en)	2012-01-10	2020-03-11	Orbite Aluminae Inc.	Processes for treating red mud
AU2013203808B2 (en)	2012-03-29	2016-07-28	Aem Technologies Inc.	Processes for treating fly ashes
BR112015000626A2 (pt)	2012-07-12	2017-06-27	Orbite Aluminae Inc	processos para preparação de óxido de titânio e outros produtos variados
BR112015006536A2 (pt)	2012-09-26	2017-08-08	Orbite Aluminae Inc	processos para preparar alumina e cloreto de magnésio por lixiviação com hcl de vários materiais.
US9534274B2 (en)	2012-11-14	2017-01-03	Orbite Technologies Inc.	Methods for purifying aluminium ions
RU2765118C1 (ru) *	2021-03-24	2022-01-25	Публичное акционерное общество "Нефтяная компания "Роснефть" (ПАО "НК "Роснефть")	Способ получения сферического алюмооксидного носителя
CN115608405B (zh) *	2021-07-16	2024-02-20	中国石油化工股份有限公司	毫米级球形复合载体和脱氢催化剂及其制备方法以及应用
CN117105250B (zh) *	2023-10-19	2023-12-26	淄博宏豪晶体材料有限公司	一种高强度活性氧化铝球的制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB739396A (en) *	1952-08-15	1955-10-26	Universal Oil Prod Co	Manufacture of spheroidal alumina
DE1960289C3 (de) *	1969-12-02	1975-09-11	Kernforschungsanlage Juelich Gmbh, 5170 Juelich	Verfahren zum Herstellen von sphärischen Brennstoff- und/oder Brutstoff teilchen aus Urandioxid für Brenn- und/oder Brutelemente für Kernreaktoren und Brutreaktoren
US3919117A (en) *	1974-03-18	1975-11-11	Universal Oil Prod Co	Method of preparing alumina spheres
JPS53104597A (en) *	1977-02-25	1978-09-11	Nitsuki Yunibaasaru Kk	Method of making spherical alumina

1979
- 1979-03-05 GB GB7907587A patent/GB2018230B/en not_active Expired
- 1979-03-05 IT IT20747/79A patent/IT1113441B/it active
- 1979-03-06 JP JP2604879A patent/JPS54163798A/ja active Granted
- 1979-03-06 FR FR7905704A patent/FR2419106A1/fr active Granted
- 1979-03-06 DE DE2908740A patent/DE2908740C3/de not_active Expired

Also Published As

Publication number	Publication date
DE2908740B2 (de)	1981-02-26
DE2908740A1 (de)	1979-09-13
JPS54163798A (en)	1979-12-26
FR2419106A1 (fr)	1979-10-05
GB2018230A (en)	1979-10-17
JPS5635607B2 (it)	1981-08-18
FR2419106B1 (it)	1982-11-19
IT1113441B (it)	1986-01-20
IT7920747A0 (it)	1979-03-05
GB2018230B (en)	1982-05-19

Legal Events

Date	Code	Title
1979-09-13	OAP	Request for examination filed
1979-10-18	OD	Request for examination
1982-04-08	C3	Grant after two publication steps (3rd publication)
1991-03-07	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE2908740C3 (de)	1982-04-08	Verfahren zur Herstellung von kugelförmigen Tonerdepartikeln
DE1945477C3 (de)	1975-03-06	Katalysator und Verfahren zur Reformierung von Naphthabeschlckungen
DE60309464T2 (de)	2007-11-15	Wismut und phosphor enthaltender katalysatorträger, mit diesem träger hergestellter reformierungskatalysator sowie dessen herstellungsverfahren und verwendung beim reformieren von naphta
DE1545396C3 (de)	1979-04-26	Umwandlungskatalysator und seine Verwendung zur Hydroformierung
DE2615867C3 (de)	1979-12-20	Verfahren zur Herstellung kugeliger Tonerdeteilchen
DE2457462C2 (de)	1983-10-06	Verfahren zur Herstellung eines Katalysators und dessen Verwendung
DE2065046B2 (de)	1973-03-22	Verfahren zur umwandlung von kohlenwasserstoffen
DE2635538A1 (de)	1977-02-17	Verfahren zur herstellung eines katalysators und dessen verwendung
DE2411986C3 (it)	1979-02-22
DE2945755C2 (de)	1981-12-03	Verfahren zur Herstellung kugeliger Tonerdeteilchen mit großer Dichte
DE2728272A1 (de)	1977-12-29	Verfahren zur herstellung eines katalysators und dessen verwendung
DE2011467A1 (de)	1970-11-05	Verfahren zur Regenerierung eines Katalysators
DE2652116C2 (de)	1987-05-14	Katalysatorträger
DE1956715A1 (de)	1970-06-18	Katalysator zum hydrierenden Cracken und dessen Verwendung
DE2939783C2 (de)	1982-04-29	Verfahren zum Abscheiden von Schwefel- und Stickstoffoxiden aus einem Gasgemisch
DE2342933C2 (de)	1982-02-25	Verfahren zur Herstellung eines Zeolith-Katalysators und Verwendung des mittels dieses Verfahrens hergestellten Katalysators zur katalytischen Umwandlung von Kohlenwasserstoffen
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